Senior Software Developer / Test Engineer - Secret
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Job Description:
Parsons is looking for an exceptionally talented Senior Software Development Engineer in Test to join our team! In this role, you will design and execute test strategies that span software-hardware integration, sensor fusion, autonomy algorithms, and end-to-end system verification within a fast-paced Agile/Scrum environment. You will embed quality practices, identify defects early, and support rapid iteration while meeting stringent DoD security, safety, and performance standards in a classified defense setting.
What You'll Be Doing:
Develop, maintain, and execute detailed test plans, test cases, and test procedures for software-hardware integration, interface validation, sensor data handling, and autonomy module performance
Perform manual exploratory, functional, regression, and system-level testing in integration labs and hardware-in-the-loop (HWIL) environments
Design, implement, and maintain automated test frameworks and scripts (UI, API, integration, and performance) to accelerate verification within CI/CD and MLOps pipelines
Collaborate with software developers, systems engineers, and the Scrum Master to define acceptance criteria, automate regression suites, and shift quality left in every sprint
Conduct integration & verification (I&V) activities, including defect triage, root-cause analysis, and verification of MOSA compliance and interoperability requirements
Integrate automated tests into DevSecOps pipelines (static/dynamic analysis, container scanning, and model validation) to ensure secure, repeatable deployments
Support formal qualification testing, field demonstrations, and operational assessments for USSOCOM unmanned platforms
Document test artifacts in tools such as Jira, Confluence, and test management systems while maintaining traceability to program requirements
Identify process improvements, champion test automation best practices, and mentor junior testers on manual and automated techniques
Work in compliance with DoD, USSOCOM, and program security requirements while sustaining high Agile velocity in a high-tempo, sometimes classified development environment
Required Clearance:
Must be a U.S. Citizen
Must possess an active Secret clearance and be willing/able to obtain/maintain a TS/SCI clearance
What Required Skills You'll Bring:
Bachelor’s degree in Computer Science, Software Engineering, Systems Engineering, Electrical Engineering, or a related technical field and 8+ years of hands-on experience as a Software Development Engineer in Test (SDET) or Test Engineer, with demonstrated proficiency in both manual testing and test automation
Strong manual testing skills, including test design, exploratory testing, and execution in complex software-hardware integration environments
Solid experience developing and maintaining automated tests using frameworks such as Selenium, PyTest, Robot Framework, Cucumber, or equivalent, with scripting proficiency in Python or similar languages
Working knowledge of CI/CD pipelines (GitLab CI, Jenkins), containerization (Docker, Kubernetes), and test integration within DevSecOps workflows
Understanding of systems engineering principles, interface management, and integration & verification processes
Willingness to travel (25–50%)
Excellent collaboration, communication, and problem-solving skills with the ability to thrive in an Agile/Scrum team environment
What Desired Skills You'll Bring:
Experience supporting DoD or USSOCOM programs, especially in unmanned systems, autonomy, AI/ML, or MOSA-based architectures.
Hands-on background with defense-specific testing environments (integration labs, HWIL, autonomy simulation frameworks, or sensor test beds).
Prior exposure to classified development workflows and cross-domain solutions.
Certifications such as ISTQB, Certified Tester, or equivalent Agile testing credentials.
Preferred Toolsets / Technologies: Python, Java, Selenium, Playwright, Cypress, Postman, Docker, Kubernetes, GitLab, Jenkins, Terraform, OpenShift, REST APIs, Kafka, Elasticsearch, Grafana, Jira, Confluence, TAK Ecosystem Technologies, AI/ML Frameworks, Linux, AWS, Azure
Security Clearance Requirement:
An active Secret security clearance is required for this position.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
COMPETITIVE BENEFIT OFFERINGS
Financial Wellness
We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.
Work Life Harmony
Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.
Career Development
We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.
Veteran Support
We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.
Mind & Body
At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.
Health
Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

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